import { Way } from './osmobjs';
export declare function purgeProps(obj: {
    [k: string]: any;
}, blacklist: string[]): {
    [k: string]: any;
};
export declare function mergeProps(obj1: {
    [k: string]: any;
}, obj2: {
    [k: string]: any;
}): {
    [k: string]: any;
};
export declare function addPropToFeature(f: {
    [k: string]: any;
}, k: string, v: any): void;
export declare function addPropToFeatures(fs: Array<{
    [k: string]: any;
}>, k: string, v: any): void;
export declare const first: <T>(a: T[]) => T;
export declare const last: <T>(a: T[]) => T;
export declare const coordsToKey: <T>(a: T[]) => string;
export declare function addToMap<T>(m: {
    [k: string]: T[];
}, k: string, v: T): void;
export declare function removeFromMap<T>(m: {
    [k: string]: T[];
}, k: string, v: T): void;
export declare function getFirstFromMap<T>(m: {
    [k: string]: T[];
}, k: string): T | null;
export declare const isRing: (a: number[][]) => boolean;
export declare const ringDirection: (a: number[][], xIdx?: number, yIdx?: number) => string;
export declare const ptInsidePolygon: (pt: number[], polygon: number[][], xIdx?: number, yIdx?: number) => boolean;
export declare const strToFloat: (el: any[] | string) => any;
export declare class LateBinder {
    private container;
    private valueFunc;
    private ctx;
    private args;
    constructor(container: any[] | {
        [k: string]: any;
    }, valueFunc: (...args: any[]) => any, ctx: any, args: any[]);
    bind(): void;
}
export declare class RefElements extends Map {
    private binders;
    constructor();
    add(k: string, v: any): void;
    addBinder(binder: LateBinder): void;
    bindAll(): void;
}
export declare class WayCollection extends Array {
    private firstMap;
    private lastMap;
    constructor();
    addWay(way: Way): void;
    toStrings(): number[][][];
    toRings(direction: string): number[][][];
}